I'm doing quite a bit myself but the cast iron part is a job bigger than I can handle.Any recommendaitons for rough-in plumbers in NJ and willing to travel about 15 miles outside of Newark?

He does a great job and is very reasonable, and is just a great guy.  

Also, focus on 2 years of job/income stability.Class D Properties:Cashflow vs Appreciation: Typically, all cashflow with little, maybe even negative, relative rent & value appreciationVacancy Est: 20%+ should be used to cover nonpayment, evictions & damages.Tenant Pool: majority will have FICO scores under 560 (almost 30% probability of default), little to no good tradelines, lots of collections & chargeoffs, recent evictions.

STR it will cost you big.this isn't a difficult job depending on the fridge location.

A client of mine recently invested there and raves aboutt the ease of finding solid contractors who stick to the budget.One piece of advice: before jumping into any market, spend time understanding the local economy, demand drivers (like job growth and population trends), and the landloard laws.

That's just common sense.  

On top of that you have idiots who engage in bid wars and pay retail for a house that has never been inspected (and those are the bidders who will cry foul when they discover totally trashed and destroyed house that will require a full gut job to rehab). 

A mortgage lien being the most common one.

There's a common belief that your tax person should also be an investor themselves.

Overland Park, KS vs Kansas City, MO) Very landlord friendly, worst case eviction is usually 8 weeks + $500 + lost rent (cannot comment on individual cases and this is not legal advice) Large diverse metro area - variety of jobs, companies, people can have a career in KC.